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Electrical switching of the orbital angular momentum (OAM) mode order emitted from an SOI microring resonator is reported. The integration of the microring with waveguide couplers is used to demonstrate modulation of the relative phase between pairs of OAM modes with opposite signs.
Fast tuning of the Optical Angular Momentum (OAM) order of a vortex beam is demonstrated with 20µs switching times using a compact silicon photonic device.
On-chip electrical modulation of relative phase between pairs of optical vortices with opposite signs has been demonstrated, enabling useful functions in lab-on-chip, communications and sensing applications.
We report on a quantum key distribution (QKD) experiment where a client with an on-chip polarisation rotator can access a server through a telecom-fibre link. Large resources such as photon source and detectors are situated at server-side. We employ a reference frame independent QKD protocol for polarisation qubits and show that it overcomes detrimental effects of drifting fibre birefringence in a...
We report the first on-chip quantum interference between photons generated in two discrete spontaneous four-wave mixing sources, and the manipulation of this biphotonic state using silicon-on-insulator integrated optics.
Elementary components required for photonic quantum information processing are realised in a silicon-on-insulator platform. On-chip quantum interference, manipulation of entangled states and photon-pair generation in a ring resonator with record high coincidental-to-accidental rates are demonstrated.
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